Abstract
We apply the local optimal universal asymmetric cloning machine on an initially pure entangled state of two qubits. As output, we obtain two final states which present quantum correlations. We analyze three types of quantum correlations among the final states, namely, concurrence, quantum discord, and consonance. A detailed comparison between concurrence, quantum discord, and consonance is made, and we find that consonance is greater than quantum discord, which is in turn greater than concurrence.
Funder
Romanian Ministry of Research, Innovation and Digitalization, CNCS-UEFISCDI
Subject
General Physics and Astronomy
Reference74 articles.
1. Nielsen, M.A., and Chuang, I.L. (2000). Quantum Computation and Quantum Information, Cambridge University Press.
2. Quantum entanglement;Horodecki;Rev. Mod. Phys.,2009
3. Method for Direct Detection of Quantum Entanglement;Horodecki;Phys. Rev. Lett.,2002
4. Teleporting an unknown quantum state via dual classical and Einstein-Podolsky-Rosen channels;Bennett;Phys. Rev. Lett.,1993
5. Quantum-information distribution via entanglement;Murao;Phys. Rev. A,2000